Product ID: 818726221
Product Name: Opal
Price : $8.68
Weight: 0.60
Jewelry Size: 7.9 x 6.8 x 3.2 Mm
Shape: Oval
Color: Multi Color
Clarity: Semi - Transparent
Luster: Iridescent
Origin: Ethiopia
Treatment: Unheated
Crystal Structure: Amorphous
Hardness: 5.5 - 6.5
Specific Gravity: 2.15
Refractive Index: 1.42 - 1.43
Chemical: SiO2·nH2O